Q.

Identify Z in the sequence of reactions : 

CH3CH2CH=CH2 HBr/H2O2Y C2H5ONaZ                 [2014]

1 CH3-(CH2)3-O-CH2CH3  
2 (CH3)2CH-O-CH2CH3  
3 CH3(CH2)4-O-CH3  
4 CH3CH2-CH(CH3)-O-CH2CH3  

Ans.

(1)